/* Dispatches keys passed in using a tree of shortcuts registered in the root.
* Returns error code. */
static int
dispatch_keys_at_root(const wchar_t keys[], keys_info_t *keys_info,
key_chunk_t *root, key_info_t key_info, int no_remap)
{
key_chunk_t *curr;
const wchar_t *keys_start = keys;
int has_duplicate;
int result;
/* The loop finds longest match of the input (keys) amoung registered
* shortcuts. */
curr = root;
while(*keys != L'\0')
{
key_chunk_t *p;
int number_in_the_middle = 0;
p = curr->child;
while(p != NULL && p->key < *keys)
{
if(p->conf.type == BUILTIN_NIM_KEYS)
{
number_in_the_middle = 1;
}
p = p->next;
}
if(p == NULL || p->key != *keys)
{
if(curr == root)
return KEYS_UNKNOWN;
while(p != NULL)
{
if(p->conf.type == BUILTIN_NIM_KEYS)
{
number_in_the_middle = 1;
}
p = p->next;
}
if(curr->conf.followed != FOLLOWED_BY_NONE &&
(!number_in_the_middle || !is_at_count(keys)))
{
break;
}
if(number_in_the_middle)
{
int count;
const wchar_t *new_keys = get_count(keys, &count);
if(new_keys != keys)
{
key_info.count = combine_counts(key_info.count, count);
keys = new_keys;
continue;
}
}
if(curr->conf.type == BUILTIN_WAIT_POINT)
{
return KEYS_UNKNOWN;
}
has_duplicate = root == &user_cmds_root[vle_mode_get()] &&
contains_chain(&builtin_cmds_root[vle_mode_get()], keys_start, keys);
result = execute_next_keys(curr, curr->conf.type == USER_CMD ? keys : L"",
&key_info, keys_info, has_duplicate, no_remap);
if(curr->conf.type == USER_CMD)
return result;
if(IS_KEYS_RET_CODE(result))
{
if(result == KEYS_WAIT_SHORT)
return KEYS_UNKNOWN;
return result;
}
inc_counter(keys_info, keys - keys_start);
return execute_keys_general(keys, 0, keys_info->mapped, no_remap);
}
keys++;
curr = p;
}
if(*keys == '\0' && curr->conf.type != BUILTIN_WAIT_POINT &&
curr->children_count > 0 && curr->conf.data.handler != NULL &&
!keys_info->after_wait)
{
return KEYS_WAIT_SHORT;
}
has_duplicate = root == &user_cmds_root[vle_mode_get()] &&
contains_chain(&builtin_cmds_root[vle_mode_get()], keys_start, keys);
result = execute_next_keys(curr, keys, &key_info, keys_info, has_duplicate,
no_remap);
if(!IS_KEYS_RET_CODE(result))
{
inc_counter(keys_info, keys - keys_start);
}
else if(*keys == '\0' && result == KEYS_UNKNOWN && curr->children_count > 0)
{
return keys_info->after_wait ? KEYS_UNKNOWN : KEYS_WAIT_SHORT;
}
return result;
}
/* Dispatches keys passed in as a selector followed by arbitrary other keys.
* Returns error code. */
static int
dispatch_selector(const wchar_t keys[], keys_info_t *keys_info,
key_info_t master_key_info, key_chunk_t *master_curr, int no_remap)
{
const wchar_t *keys_start = keys;
key_chunk_t *curr = &selectors_root[vle_mode_get()];
key_info_t key_info;
int result;
if(fill_key_info(&keys, &key_info, master_key_info.count, &result) != 0)
{
return result;
}
/* The loop finds longest match of the input (keys) among registered
* shortcuts. */
while(*keys != L'\0')
{
key_chunk_t *p;
for(p = curr->child; p != NULL && p->key < *keys; p = p->next)
{
/* Advance. */
}
if(p == NULL || p->key != *keys)
{
break;
}
++keys;
curr = p;
}
/* Handle ambiguous selector. */
if(*keys == '\0' && curr->type != BUILTIN_WAIT_POINT &&
curr->children_count > 0 && curr->conf.data.handler != NULL &&
!keys_info->after_wait)
{
return KEYS_WAIT_SHORT;
}
/* Execute the selector. */
if(curr->conf.followed == FOLLOWED_BY_MULTIKEY && keys[0] != L'\0')
{
const wchar_t mk[] = { keys[0], L'\0' };
result = execute_next_keys(curr, mk, &key_info, keys_info, 0, no_remap);
++keys;
}
else
{
result = keys[0] == L'\0'
? execute_next_keys(curr, L"", &key_info, keys_info, 0, no_remap)
: dispatch_key(key_info, keys_info, curr, L"");
}
if(IS_KEYS_RET_CODE(result))
{
return result;
}
/* We used this count in selector, so don't pass it to command. */
master_key_info.count = NO_COUNT_GIVEN;
/* Execute command that requested the selector. */
result = execute_mapping_handler(&master_curr->conf, master_key_info,
keys_info);
if(IS_KEYS_RET_CODE(result))
{
return result;
}
inc_counter(keys_info, keys - keys_start);
/* execute_keys_general() treats empty input as an error. */
if(keys[0] == L'\0')
{
return 0;
}
/* Process the rest of the line. */
return execute_keys_general(keys, keys_info->after_wait, 0, no_remap);
}
